Miniature floor furnace



May 13,1930. I- 1,758,860

MINIATURE FLOOR FURNACE I Filed Au 3, 1929 2 Sheets-Sheet 1 INVENTOR BY file/1,454 Fi /0 M. F. SHIED May 13, 1930.

Filed Aug. 3, 1929 pgz ATTORNEY INVENTOR /fmsw EL [5/1/50 Patented May 13, 1930 PATENT ()FFICE MICHAEL E. SHIED, OF ROCHESTER, NEXV YORK MINIATURE FLOOR FURNACE Application filed August 3, 1929. Serial No. 383,263.

This invention relates to a miniature floor furnace which is adapted to furnish heat thru a single register in the floor from a heater suspended directly underneath it and the in vention has for its various objects:

To provide a construction of such a miniature floor furnace in which the heat is quick ly generated and any excess heat stored up therein so that itwill be radiated after the heating unit has been shut off.

To provide a construction in which the heat generated by the heating unit is quickly ra diated thru the register to set up a continuous circulation in the room in which the cool air in the room is displaced by the warm air forced thru the furnace to be heated thereby.

To provide a simple but efficient construction for a miniature floor furnace which can be easily set up and installed.

These and other objects of this invention will be apparent from the drawings, the specification and the appended claims forming a part thereof.

In the accompanying drawings Figure 1 is a vertical sectional view of the miniature floor furnace and the floor above it, the section being taken on the line 1 1 of Figure 2.

Figure 2 is a v rtical sectional view of the furnace and the floor, the section being taken on the line 2 2 of Figure 1.

In the figures of the drawings like reference numerals indicate like parts.

The miniature floor furnace forming the subject matter of this invention is for use especially during cool days in the early fall and late spring seasons or during cool days in the summer in order to quickly provide sufficient heat in one or more rooms which will take the chill off the room or rooms and make them comfortable. Of course the miniature furnace may also be used to supplement the furnace or other heating system of the house especially in the morning before the heating system is operating efficiently.

As illustrated in the figures of the drawings the miniature furnace comprises a register box 1 which is divided into a cold air compartment 2 and a warm air compartment 3. The top of this register is covered with the usual perforated register cover thru which the warm air can escape from the warm air compartment and enter into the cold air compartment. he register box is suitably mounted in the floor of the house and suspended from it and gives the appearance of the ordinary register used in hot air heating systems.

Underneath the register box 1 and within a short distance from it is suspended the heating unit 5 which consists of the gas burner 6 mounted in the base plate 7. The base plate is provided with an opening surrounded by an upwardly projecting flange to form a duct 8 in which the gas burner 6 is located. Suitable supporting means such as lugs 8A are provided in the ductand support the gas burner therein. Above the base plate are located a series of radiators 9, 10 and 11 each comprising a hollow casing having an inlet opening at one end at the bottom thereof and an outlet opening near the other end at the top thereof. The inlet opening in the radiator 9 has the gas burner duct leading into it so that the hot gases from the burner enter the radi ator at one end and pass thru the radiator to the other end to enter the next radiator 10 thru a. duct 12 leading from the radiator 9 into the inlet opening 13 of the radiator 10. After passing thru the radiator 10 the hot gases enter the third radiator 11 thru the duct 14 leading from the radiator 10 into the inlet opening 15 of the third radiator and in the third radiator the hot gases pass on to the outlet 16 of this radiator to which the conductor pipe 17 is attached to carry off the gases to the chimney of the building. The hot gases from the gas burner are thus made to pass thru a series of horizontal radiators located one above the other by which the heat from the products of combustion is absorbed and radiated to the surrounding air.

The ducts 12 and 14 of the radiators 9 and 10 respectively have tapered sides and ends so that when they engage into the inlet openings they support the radiators at their inlet openings. The outlet ends of the radiators are supported by suitable legs 25, 25 which are adapted to rest on the lower radiator to support this end of the radiator at the same height that the opposite end is supported by the tapered ducts.

The radiators are surrounded by the jacket 18 which extends from the base plate above the uppermost radiator with sufficient space between the radiators and the jacket to permit the air to freely circulate around and between the radiators. In the base plate is an inlet opening 19 which leads into the jacket below the radiator 9 and in the top of the jacket is provided an outlet 20 which is connected with the warm air compartment of the register by means of a conductor pipe 21. The cold air compartment is connected with the inlet 19 of the jacket by means of the conductor pipe 22 so that air from the cold air compartment is directed into the bottom of the jacket passes thru the jacket and is heated by the radiators. The heated air rises and passes out thru the outlet 20 into the warm air compartment of the register from where it escapes into the room. The heated air therein and in doing so forces the cool air in L the room into the cold air compartment from which it is conducted back into the furnace to be heated therein and fed back into the room. A perfect circulation of air is thus set up by the miniature furnace which in a moderately cold atmosphere will quickly heat the room for which it furnishes the heat.

The series of radiators which extend horizontally within the acket provide a long zigzag path for the products of combustion from the gas burner in which the heat is eificiently absorbed by the radiators and radiated to the air surrounding them. Three radiators are shown, one on top of the other, but it is understood that only one or more than three may be used instead depending on the installation of the furnace and the heating capacity thereof.

The jacket of the furnace and the radiators within it, together with the base plate and the gas burner, are suitably suspended from the joists of the floor at the most convenient point below the register and thus provides a very compact installation which is ready to be operated at all times.

I claim:

1. In a miniature floor furnace the combination of a register box, a warm air compartment and a cold air compartment in said register, a series of horizontal radiators suspended below said register box and connected in series with one another, a jacket surrounding said radiators, a conductor pipe connecting the bottom of said jacket with said cold air compartment, a conductor pipe connecting the top of said jacket with said warm air compartment, a gas burner located at the beginning of said radiators to have the products of combustion from the burner pass thru all of said radiators, and a pipe at the end of said radiators to carry off the products of combustion from the radiators.

2. In a miniature floor furnace the combination of a series of horizontal radiators having an inlet opening at one end in the bottom opposite end of the second radiator on the first radiator, a gas heater in the inlet into said radiators and a pipe leading from the outlet of said radiators to carry off the gases passing thru said radiators, a jacket surrounding said radiators, a register box located above said jacket, a warm and cold air compartment in said register boX, said warm air compartment being connected with the top of said acket and said cold air compartment being connected with the bottom of said 

